/Engine/Source/Runtime/MovieSceneCapture/Public/Protocols/UserDefinedCaptureProtocol.h
Generate a filename for the current frame using this protocol's file name formatter
A fully qualified file name for the current frame number
void WriteImageToDisk ( const [FCapturedPixels](API\Runtime\MovieSceneCapture\Protocols\FCapturedPixels) & PixelData, const [FCapturedPixelsID](API\Runtime\MovieSceneCapture\Protocols\FCapturedPixelsID) & StreamID, const [FFrameMetrics](API\Runtime\MovieSceneCapture\FFrameMetrics) & FrameMetrics, bool bCopyImageData )